Substance Definition Manual
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Food and Drug Administration Substance Registration System Standard Operating Procedure 1 Title: Substance Definition Manual Version: 5c Effective Date: June 10, 2007 Supersedes: Version 5b Approved By: SRS Chemistry Review Committee; FDA Data Standards Council's Vocabulary Standards Working Group 1. Purpose....................................................................................................................................................... 1 a. Defining a Substance .............................................................................................................................. 1 b. Modification of Text for Computer Use................................................................................................. 1 2. Structure Set Up and Layout ...................................................................................................................... 3 i. Example: ISOETHARINE .......................................................................................................... 4 3. Molecules Containing Chains..................................................................................................................... 4 i. Example: IOPHENDYLATE ...................................................................................................... 4 4. Abbreviations ............................................................................................................................................. 4 i. Example: ACETOPHENONE..................................................................................................... 4 ii. Example: TRIFLOCIN................................................................................................................ 5 5. Functional Groups ...................................................................................................................................... 5 a. NITRO Groups and NITRATES ............................................................................................................ 5 i. Example: NITROBENZENE ...................................................................................................... 5 ii. Example: NITRATION............................................................................................................... 5 b. NITROGEN OXIDES ............................................................................................................................ 6 i. Example: PYRIDINE 1-OXIDE ................................................................................................. 6 c. OXIMES................................................................................................................................................. 6 i. Example: 2-PROPANONE, O-METHYLOXIME...................................................................... 6 d. AZIDES.................................................................................................................................................. 6 i. Example: 4-AZIDOBENZAMINE.............................................................................................. 6 e. DIAZO and AZO Compounds................................................................................................................ 6 i. Example: 5-DIAZOURACIL ...................................................................................................... 7 ii. Example: D&C Red No. 33......................................................................................................... 7 f. CYANIDES and ISOCYANIDES .......................................................................................................... 7 i. Example: BENZOYL CYANIDE ............................................................................................... 7 ii. Example: t-BUTYLISOCYANIDE............................................................................................. 8 g. SULFOXIDES........................................................................................................................................ 8 i. Example: ESOMEPRAZOLE ..................................................................................................... 8 6. Mixtures and Salts ...................................................................................................................................... 8 a. Types of Salts ......................................................................................................................................... 9 i. Simple Salt Example: MAGNESIUM HYDROXIDE ................................................................ 9 ii. Quaternary Ammonium Compound Example: TETRAETHYLAMMONIUM BROMIDE ...... 9 iii. Salt Formed by Reaction between Organic Base and an Acid Example: GLYCINE HYDROCHLORIDE.............................................................................................................................. 9 b. Types of Mixtures................................................................................................................................... 9 i. Example of an ALL OF Mixture: AMYL NITRILE................................................................... 9 7. Salts and Compounds with Ionic Bonds................................................................................................... 10 i. Example: SODIUM ACETATE................................................................................................ 10 ii. Example: POTASSIUM CHLORIDE....................................................................................... 10 iii. Example: MAGNESIUM PHOSPHATE .................................................................................. 10 8. Salts Formed by the Reaction of Ammonia with Acids ........................................................................... 11 i. Example: AMMONIUM CHLORIDE ...................................................................................... 11 ii. Example: AMMONIUM LACTATE ........................................................................................ 11 1 This guide was formerly titled the Structure Drawing Guide. 9. Salts Formed by the Reaction of Nitrogenous Organic Bases with Acids................................................ 11 i. Example: TRIETHYLAMINE HYDROCHLORIDE............................................................... 11 ii. Example: AMINOGUANIDINE SULFATE ............................................................................ 12 iii. Example: TETRAETHYLAMMONIUM CHLORIDE ............................................................ 12 10. Inner Salts............................................................................................................................................... 12 i. Example: R-5-CHLORO-2-METHYL-3-(4-SULFOBUTYL)-BENZOTHIAZOLIUM INNER SALT 12 11. Bracket Usage for Salts and Solvates ..................................................................................................... 13 i. Example: 1:1 Compound to Salt Ratio...................................................................................... 13 ii. Example: 1:2 Compound to Salt Ratio...................................................................................... 13 iii. Example: LOSOXANTRONE HYDROCHLORIDE (DIHYDOCHLORIDE HEMIHYDRATE) ............................................................................................................................... 13 12. Salts Containing a Complex Substance as a Counterion ........................................................................ 14 i. Example: FENETHAZINE TANNATE.................................................................................... 14 13. Substance Of Unknown Or Variable Stoichiometry............................................................................... 14 i. Example: VIOMYCIN SULFATE............................................................................................ 15 14. Partially Ionized Acids ........................................................................................................................... 15 i. Example: 5-SULFOSALICYLATE, MONOSODIUM SALT.................................................. 16 ii. Example: Citrate Ion with Single Negative............................................................................... 16 iii. Example: MONOSODIUM CITRATE ..................................................................................... 17 iv. Example: MONOSODIUM GLUTAMATE ............................................................................. 17 v. Example: 1H-IMIDAZOLE-4-METHANOL, DIHYDROGEN PHOSPHATE (ESTER), DISODIUM SALT ............................................................................................................................... 17 vi. Example: ALENDRONATE SODIUM .................................................................................... 17 15. Complex Inorganic and Organic Compounds ........................................................................................ 18 a. Complex Inorganics.............................................................................................................................. 19 i. Example: TALC ........................................................................................................................ 19 b. Complex Organics................................................................................................................................19 16. Botanicals ..............................................................................................................................................